AT32UC3A1256 Atmel Corporation, AT32UC3A1256 Datasheet - Page 518
AT32UC3A1256
Manufacturer Part Number
AT32UC3A1256
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(98 pages)
2.AT32UC3A0128.pdf
(826 pages)
3.AT32UC3A0128.pdf
(377 pages)
4.AT32UC3A0128.pdf
(33 pages)
5.AT32UC3A0128.pdf
(159 pages)
Specifications of AT32UC3A1256
Flash (kbytes)
256 Kbytes
Pin Count
100
Max. Operating Frequency
66 MHz
Cpu
32-bit AVR
# Of Touch Channels
32
Hardware Qtouch Acquisition
No
Max I/o Pins
69
Ext Interrupts
69
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device + OTG
Spi
6
Twi (i2c)
1
Uart
4
Ssc
1
Ethernet
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
384
Resistive Touch Screen
No
Dac Channels
2
Dac Resolution (bits)
16
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
64
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
3.0-3.6 or (1.65-1.95+3.0-3.6)
Operating Voltage (vcc)
3.0-3.6 or (1.65-1.95+3.0-3.6)
Fpu
No
Mpu / Mmu
Yes / No
Timers
10
Output Compare Channels
16
Input Capture Channels
6
Pwm Channels
13
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT32UC3A1256-U
Manufacturer:
ATMEL
Quantity:
496
- AT32UC3A0128 PDF datasheet
- AT32UC3A0128 PDF datasheet #2
- AT32UC3A0128 PDF datasheet #3
- AT32UC3A0128 PDF datasheet #4
- AT32UC3A0128 PDF datasheet #5
- Current page: 518 of 826
- Download datasheet (11Mb)
32058K AVR32-01/12
Figure 30-19. Abort Algorithm
30.7.2.13
30.7.2.13.1 Overview
Management of OUT Endpoints
OUT packets are sent by the host. All the data can be read by the firmware which acknowledges
or not the bank when it is empty.
The endpoint must be configured first.
The RXOUTI bit is set by hardware at the same time as FIFOCON when the current bank is full.
This triggers an EPXINT interrupt if RXOUTE = 1.
RXOUTI shall be cleared by software (by setting the RXOUTIC bit) to acknowledge the interrupt,
what has no effect on the endpoint FIFO.
The firmware then reads from the FIFO and clears the FIFOCON bit to free the bank. If the OUT
endpoint is composed of multiple banks, this also switches to the next bank. The RXOUTI and
FIFOCON bits are updated by hardware in accordance with the status of the next bank.
RXOUTI shall always be cleared before clearing FIFOCON.
The RWALL bit is set by hardware when the current bank is not empty, i.e. the software can read
further data from the FIFO.
EPRSTX = 1
TXINEC = 1
Abort Done
NBUSYBK
Endpoint
== 0?
Abort
Yes
No
Yes
KILLBKS = 1
KILLBK
== 1?
No
Disable the TXINI interrupt.
Abort is based on the fact
that no bank is busy, i.e. that
nothing has to be sent.
Kill the last written bank.
Wait for the end of the
procedure.
AT32UC3A
518
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